Polyhydramnios is related to bartter disease and bartter syndrome, type 2, antenatal, and has symptoms including morning sickness An important gene associated with Polyhydramnios is GLDN (Gliomedin), and among its related pathways/superpathways are Transport of inorganic cations/anions and amino acids/oligopeptides and Potassium Channels. The drug Liver Extracts has been mentioned in the context of this disorder. Affiliated tissues include placenta and liver, and related phenotypes are homeostasis/metabolism and growth/size/body region